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Russia starts adapting RD-180 engine used in US for super-heavy Yenisei Rocket
by Staff Writers
Moscow (Sputnik) Apr 22, 2020

File image of a pair of RD-180 rocket engines.

Russia's Energomash rocket engine manufacturer, which is part of state space corporation Roscosmos, has started to adapt RD-180 engines, which have been in use for US Atlas carrier rockets, and the medium-class Soyuz-6 and super-heavy Yenisei launch vehicles, Energomash Director General Igor Arbuzov has said.

"The RD-180 engine, which has unique flight statistics, will be used in the first stage of the Soyuz-6 rocket, which can replace the Soyuz-2 medium-class launch vehicle in the future, as well as in the central block of the super-heavy launch vehicle. We have already started active work on adapting the RD-180 to the new version of the rocket," Arbuzov said, as quoted by Energomash press service.

According to him, the adapted engine, which was previously called RD-180MV, will have enhanced fire protection, new filters, coatings, modern materials, a new control system and a high-speed emergency protection system.

The first launch of Soyuz-6 is scheduled for 2025 from the Baikonur spaceport, while the first Yenisei is planned to be launched from the Vostochny space centre in 2028.

Russia has delivered 116 domestically built RD-180 engines for US carrier rockets since 1990, and 89 of the engines have already been used during launches.

Source: RIA Novosti

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US Rocketry Chief Offers Novel Explanation for Why America Continues to Buy Russia's RD-180 Engines
Moscow (Sputnik) Apr 17, 2020
Nearly a decade after the decommissioning of the Space Shuttle programme, NASA and its allies continue to depend on Russian Soyuz rockets to take crews to the International Space Station. Meanwhile, Russian-made RD-180 rocket engines power the Atlas III and Atlas V launch vehicles amid continued delays in domestic US engine programmes. The United States is buying Russian rocket engines not because of any problems with its domestic engine engineering programmes, but to subsidize Russian rocket scie ... read more

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